Curling iron



FIG. 1 is a perspective view from above and one side and one end,showing my new design;

FIG. 2 is a perspective view of underside and other end, shown in FIG.1;

FIG. 3 is a perspective view from above and other side in an alternativecondition, shown in FIG. 1.

The ornamental design for a curling iron, substantially as shown anddescribed.